Home / 495,644.73-743,467.67-135,818.61

Finding the Fourth Proportional to 495,644.73, 743,467.67 and 135,818.61

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Solution

The fourth proportional to 495,644.73, 743,467.67 and 135,818.61 is: 203,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,644.73 : 743,467.67 = 135,818.61 : x
  2. Step 2: Convert to fraction form
    495,644.73/743,467.67 = 135,818.61/x
  3. Step 3: Cross multiply
    495,644.73x = 743,467.67 × 135,818.61
  4. Step 4: Simplify right side
    495,644.73x = 100,976,745,519.34
  5. Step 5: Solve for x
    x = 100,976,745,519.34/495,644.73
  6. Step 6: Final answer
    x = 203,728.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.